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All results from a given calculation for CH3BH2 (methylborane)

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-65.860614
Energy at 298.15K-65.864559
HF Energy-65.860614
Nuclear repulsion energy31.846751
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3094 2969 13.11      
2 A' 2991 2870 3.58      
3 A' 2562 2458 111.14      
4 A' 1472 1412 4.02      
5 A' 1323 1269 78.36      
6 A' 1237 1187 16.83      
7 A' 1077 1034 65.05      
8 A' 982 942 11.83      
9 A' 549 527 0.85      
10 A" 3148 3020 14.46      
11 A" 2634 2527 152.47      
12 A" 1424 1366 5.35      
13 A" 1058 1015 20.27      
14 A" 681 654 0.66      
15 A" 172 165 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 12202.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11706.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-311G**
ABC
3.20156 0.72252 0.65920

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.020 -0.681 0.000
B2 -0.020 0.869 0.000
H3 1.056 -0.939 0.000
H4 -0.435 -1.146 0.897
H5 -0.435 -1.146 -0.897
H6 0.015 1.486 -1.028
H7 0.015 1.486 1.028

Atom - Atom Distances (Å)
  C1 B2 H3 H4 H5 H6 H7
C11.55011.10601.09271.09272.39842.3984
B21.55012.10352.24472.24471.19931.1993
H31.10602.10351.75231.75232.83172.8317
H41.09272.24471.75231.79473.29172.6731
H51.09272.24471.75231.79472.67313.2917
H62.39841.19932.83173.29172.67312.0561
H72.39841.19932.83172.67313.29172.0561

picture of methylborane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 B2 H6 120.940 C1 B2 H7 120.940
B2 C1 H3 103.471 B2 C1 H4 115.191
B2 C1 H5 115.191 H3 C1 H4 105.687
H3 C1 H5 105.687 H4 C1 H5 110.418
H6 B2 H7 118.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.484      
2 B 0.101      
3 H 0.133      
4 H 0.134      
5 H 0.134      
6 H -0.009      
7 H -0.009      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.122 -0.689 0.000 0.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.732 -0.195 0.000
y -0.195 -16.413 0.000
z 0.000 0.000 -15.626
Traceless
 xyz
x 2.287 -0.195 0.000
y -0.195 -1.734 0.000
z 0.000 0.000 -0.554
Polar
3z2-r2-1.107
x2-y22.680
xy-0.195
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.063 -0.025 0.000
y -0.025 4.632 0.000
z 0.000 0.000 4.097


<r2> (average value of r2) Å2
<r2> 29.233
(<r2>)1/2 5.407